I. 1. Cr,O, → Cr³* 2. NO → NO; 3. SO, 2 → SO2 4. MnO, → Mn,O, Balance each half reaction in basic solution. 2 - → Cr3+ 3.

Q: If the atom zy has 6 electrons in its second energy level determine the total number of electrons…

A: Number of electrons in second energy level = 6

Q: Phenolphthalein is added to a certain mixture. When the mixture was heated, the color turned pink.…

A: Phenolphthalein is a very common indicator which is used for the detection of presence of acids or…

Q: What is the pH of a 0.35 M solution of trimethylamine, (CH3),N (Kb = 7.4 x 10 5)?

A: Given : concentration of (CH3)3N solution = 0.35 M  Kb for (CH3)3N = 7.4 × 10-5  To calculate :-  pH…

Q: 217 What is the daughter nucleus (nuclide) produced when At undergoes alpha decay? Replace the…

A: Alpha decay means loss of helium nucleous.

Q: Which of the following has eight valence electrons? Ti4+ Kr Cl- Na+

A:

Q: Calculate the critical free energy of nucleation of ice from water at (i) 0°C, (ii)-5°C, and (iii)-…

A: Solutions                               Given that Calculate the critical free energy of nucleation…

Q: Propose stepwise mechanisms for the following reaction (1) NaOEt, ELOH (b) (2) H3O, workup

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Q: 16 A Review Fifth member of the homologous series having general formula CnH2n-2 is Only One Correct…

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Q: SYMMETRY. Given the following fluoride compounds: NF3, BF3, ClF3 a.) Can IR spectroscopy be used to…

A: NF3 has a trigonal pyramidal geometry. It belongs to point group C3v, like ammonia. It has a C3…

Q: Which two functional groups are in the molecule shown below? Use the terms left and right to…

A: Different functional groups are: Aldehyde group  (R-CHO) Carboxylic group (R-COOH) Ether (R-O-R')…

Q: Given the reaction: 2 HCl + Mg(OH)2 → MgCl2 + 2 H2O A student found that it required 22.0 mL of a…

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Q: a wooden object from the site of an ancient temple has a carbon-14 activity of 10 counts/min…

A:

Q: According to the Bronsted-Lowry theory, a base is a:

A: According to Bronsted- Lowry theory any species that can accept a proton is base and species that…

Q: QUESTION 2: How much Pareactant will be needed to produce 105.8g of tetraphosphorus decaoxide…

A:

Q: In the drawing below, what quantity is represented by x? Reaction pathway Energy->

A: Activation energy is the energy gained by the reactants in order to proceed forward to form the…

Q: Give the IUPAC name of the following: la) CH3 CH3 (b) CO2H (с) Br CHCH2CH2CHCH3 Br H3C CH3

A: Note : As per our company guidelines we are supposed to answer only first 3 sub-parts. Kindly repost…

Q: Edward wants to convince his classmates that his 50.00-mL buret is a class A glassware (calibration…

A: Given: Nominal volume of burette (NV) = 50 mL Calibration correction = 0.05 mL Equation governing is…

Q: 8) 10.0 ml of.15M H3A (Kat = 2.5 x 104, Ka2 = 3.5 x 108, Ka3 = 5.0 x 10-12) is titrated with .10M…

A:

Q: A 0.5027 g of KHP (KC8H5O4; MW = 204.22 g/mol) required 11.90 mL of NaOH titrant to reach the…

A: Mass of KHP = 0.5027 g  Molar mass of KHP (KC8H5O4 ) = 204.22 g/mol.  Volume of NaOH = 11.90 ml…

Q: 11.41 The aroma, taste, and general quality of wine are tied closely to the stage of development of…

A: We have to carry out the synthesis of (E)-2-hexenal starting from 1,1-dibromopentane.

Q: Why is the response wrong?  What is the real correct answer

A: Organic compound are those Substances in which Carbon is present in major quantity while some other…

Q: QUESTION 5: Sixty grams of FeCl, react with 50.0g of H,S and produced HCI. 2FEC1,(s) + 3H,S(g)…

A:

Q: detailed mechanism of action of bisphenol A

A: Other chemicals including bisphenol S (BPS) and bisphenol F (BPF) have been evaluated as an…

Q: A 0.50-mol sample of oxygen gas is confined at 0 °C and 1.0 atm in a cylinder with a movable piston.…

A: According to the combined gas law,         P1V1T1=P2V2T2 Where P1 and P2 are the initial and final…

Q: Water is an amphoteric compound. True False

A: Water is amphoteric in Nature because it acts as acid as well as base

Q: For the reaction 2 Cr(s) + 3 Pb²*(aq) - 3 Pb(s) + 2 Cr³*(aq), what is the value of n in the Nernst…

A: Oxidation is removal of electron and increase its oxidation state whereas in  reduction reaction…

Q: give full and condensed electron configurations, partial orbital diagrams showing valence electrons…

A: Inner electrons of an element is the total number of electron of it's nearest previous noble gas…

Q: pH of Taal lake.

A:

Q: . 5 grams of fat are burned in a calorimeter, raising the temperature of 23 kg of water from 20 deg…

A:

Q: 20. A diagram representing water molecules in the solid phase (ice) is shown below. Which of these…

A: * The change of state in matter is conversion of solid to liquid or gas . When the solid substance…

Q: a) Classify the following compounds as aromatic, antiaromatic, or nonaromatic. Give reasons for each…

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Q: Instructions: Draw a Lewis structure for: (a) H;S, (b) OF2, (c) hydroxylamine (NH;0)

A: The Lewis structure Tells about the bonding of atoms  to the central  Atom.

Q: A sodium hydroxide (NaOH) is standardized using the monoprotic primary standard potassium hydrogen…

A:

Q: Choose the letter that DOES NOT belong on the list. A. carbon dioxide B. water vapor C. argon D.…

A:

Q: You receive a prescription for furosemide 8mg/ml solution. In your pharmacy you only have furosemide…

A: Given that -  Furosemide prescribed = 8mg/mL  But, available stock oral Solution of furosemide =…

Q: What type of chemical reaction is this:is it Synthesis reactions,Decomposition reactions, Single…

A: Type of reactions: a) Precipitation reaction: In precipitation reaction an insoluble salt is formed…

Q: Give a full discerption of luminescence and fluorescence. Then in short sentence what is the…

A: We have to tell about the luminescence and fluorscence. Then, we also have to tell the difference…

Q: Choose the correct statement. The increase in distance between the electrodes in the conductance…

A: The conductance of the solution is reciprocal  of Resistance.

Q: A student is measuring the mass of 20 paper clips using an electronic balance that measures to the…

A:

Q: Calculate the solubility of BaCrO, in water at 25 °C. You'll find K., data in the ALEKS Data tab. sp…

A:

Q: 47. Of the elements shown in the Periodic Table, which is the most reactive? * III IV V VI VI| Ne I…

A: 47. We need to determine most reactive element.  48. We need to tell the non metal in group 1.  49.…

Q: property of air is shown whêh a bottle Wa ? * a. The air molecules became closer to each other. b.…

A: As we know,  gases have indefinate shape and volume . They have shape as the container and occupy…

Q: Calculate the average value of r in a hydrogen 1s orbital.

A: We have to calculate the average value of r in a hydrogen 1s orbital.

Q: Activity 1. Lewis Structures Instructions: Draw a Lewis structure for: (a) H2S, (b) OF2, (c)…

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Q: An unsaturated cyclic hydrocarbon, A, undergoes a reaction with Br2 in CC14 to yield product…

A:

Q: . What is the limiting reagent?

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Q: Use the standard reduction potentials located in the "Tables' linked above to calculate the standard…

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Q: The images below represent solutions of two acids, HX and HY. (H2O is omitted for clarity.) Which…

A: Weak acid is partially ionized while stronger acid is completely dissociated into ions.  As HX is…

Q: 17. The figure below shows how the temperature of a substance changed as it was heated. Which…

A: From temperature - time graph, it can be seen that for portion B of graph temperature change is nil…

Q: Propose reasonable multiple-step synthesis for the following compounds using the starting materials…

A: